6.59.1 Встроенные функции AArch64

Эти встроенные функции доступны для процессоров семейства AArch64.

unsigned int __builtin_aarch64_get_fpcr ()
void __builtin_aarch64_set_fpcr (unsigned int)
unsigned int __builtin_aarch64_get_fpsr ()
void __builtin_aarch64_set_fpsr (unsigned int)

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Licensed under the GNU Free Documentation License, Version 1.3.
https://gcc.gnu.org/onlinedocs/gcc-6.5.0/gcc/AArch64-Built-in-Functions.html